Lee Jong-won

as Lee Dae-hee (1 episode)

as Ju Han-min (1 episode)

as Self - Mentor (12 episodes)

as Yoon Ki-tae

as Self (1 episode)

as Self (2 episodes)

as Yun Min-ju (12 episodes)

as Lee Sin (16 episodes)

as Park Su-ho (12 episodes)

as Self (1 episode)

as Hwang Tae-yong (16 episodes)

as 노준수

as Ahn Hyo-Suk (16 episodes)

as Kim Geon (12 episodes)

as Hwang Jung-deun (10 episodes)

as Soo-wan

as Kim Kyeong-sik

as Chris (3 episodes)

as Go Eun-tae (6 episodes)

as Jin-soo (4 episodes)

as Do Jae-hyun (4 episodes)